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RELATED PARTY TRANSACTIONS (Details) - IDR (Rp) Rp in Billions		12 Months Ended
	Jan. 01, 1995	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Transactions with related parties
Guarantees provided or received for any related party receivables or payables		Rp 0
Allowance for credit losses of receivables		Rp 383	Rp 188	Rp 486
Collections made by the Company (as a percent)	1.00%
Tiphone
Transactions with related parties
Percentage of ownership		24.00%	24.00%

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The amount of expense recognised during the period in respect of bad or doubtful debts due from related parties. [Refer: Related parties [member]]

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